腺样体肥大行纤维鼻咽镜检查时，在鼻咽顶部和后壁可见表面有________淋巴组织。
参考答案：纵形裂隙的分叶状
—Oh, you haven't read my e-mail?
—Sorry, I haven't had any to the computer these days.[ ]
A. aids
B. basis
C. access
D. beliefs
安全阀必须垂直安装，装在承压设备的气相空间上。（）
